function againrand() {
	if (($('#randomtable1').length > 0) && ($('#outtable').length > 0)) {
		clearInterval(interval);
		interval = null;

		speed = 400;
		i = 0;
		count = 0;
		//性别
		man = 0;
		woman = 0;

		sign = 0;
		row = 0;
		column = 0;
		beikao = 0;
		invoke = 0;
		drawmark = 0;
		beginrandom = 0;
		exsign = 0;
		completecut = 0;
		arr1 = new Array();


		$("#file1").attr("disabled", false);
		$("#file2").attr("disabled", false);
		$("#datainput").attr("disabled", false);


		//提示按钮
		$('#continue').hide();
		$('#stop').show();
		
		$('#rand').show();
		$('#againran').hide();
		

		//随机间隔时间按钮
		$('#btngroupsfast').css({
			'border': '0px'
		});
		$('#btngroupsmiddle').css({
			'border': '2px solid #000'
		});
		$('#btngroupsslow').css({
			'border': '0px'
		});

		//考场输入
		$('#datainput').val("");
		//左布局
		$('#leftlayout').show();
		$('#rightlayout').removeClass("col-md-12");
		$('#rightlayout').addClass("col-md-9");
		$('#outtable').remove();
		initLeftTable();

		// 右布局
		$('#randomtable1').remove();
		$('#randomtable2').remove();
		initRighTable();

	} else {
		swal("OMG!", "请导入数据！", "error");
	}
}
